This is a very simple solution to a common problem. Ants love sugar water, and I don't love ants floating in the hummingbird feeder!

To make a moat that the ants can't cross, I used a plastic food tub, two cup hooks, a synthetic cork, a bit of hot glue for security and waterproofing, and some ribbon for prettiness and further bird attraction.

I was concerned that just screwing the small hooks into the cork wouldn't hold up my heavy glass feeder, but it's been fine for weeks now!